The early atmosphere on Earth was mostly carbon dioxide.
It was also poisonous and extremely hot.
Atmosphere is the gaseous envelope of a planet.
Today's atmospheric functions include sustaining life with oxygen, produced from plants; filtering harmful rays from the sun, helping in protecting the Earth from meteor collisions.
Answer:
The Platt Amendment explained the following: 1. Cuba could not make any treaty with another nation that would weaken its independence or allow another foreign power to gain territory in Cuba. 2. Cuba had to allow the US to buy or lease naval stations in Cuba. 3.
Explanation:
<span>Answer:
arising outside the United States, contained measures that could possibly infringe online freedom of speech, websites, and Internet communities. Protesters also argued that there were insufficient safeguards in place to protect sites based upon user-generated content.</span>
Answer:
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Explanation:
The Carolingian Empire covered much of the Western and Central Europe but it collapsed in less than hundred years after the death of Charlemagne in 814. Several factors led to the fall of the Carolingian Empire. The division of Frankish lands among the male members of the Carolingian dynasty was a major factor. The Carolingians extended their rule over most Western and Central Europe in less than one half of a century and became regarded as the renewers of the Roman Empire after the Imperial coronation of Charlemagne in 800. The Carolingian Empire achieved its greatest territorial extent during the reign of Charlemagne (768-814) who added Lombardy, Saxony, Danubian Plain and Spanish March to the Realm of the Franks. However, Charlemagne’s empire started to decline already under his successor Louis the Pious (814-840) and collapsed by the end of the 9th century.
